-ic c-- ccc cci ccl ccr ccs cct ccu ci- cic cii cil cir cis cit ciu cl- clc cli cll clr cls clt clu crc cri crl crr crs crt cru csc csi csl csr css cst csu ctc cti ctl ctr cts ctt ctu cuc cui cul cur cus cut cuu icc ici icl icr ics ict icu iic iii iil iir iis iit iiu il- ilc ili ill ilr ils ilt ilu ir- irc iri irl irr irs irt iru is- isc isi isl isr iss ist isu itc iti itl its itt itu iu- iuc iui iur ius iut lcc lci lcl lcr lcs lct lcu lic lii lil lir lis lit liu llc lli lll llr lls llt llu lrc lri lrr lrs lrt lru lsc lsi lsl lsr lss lst lsu ltc lti ltl ltr lts ltt ltu luc lui lul lur lus lut luu rcc rci rcl rcr rcs rct rcu ric rii ril rir ris rit rlc rli rll rlr rls rlt rlu rrc rri rrl rrr rrs rrt rru rsc rsi rsl rsr rss rst rsu rtc rti rtl rtr rts rtt rtu ruc rui rur rus rut ruu scc sci scl scr scs sct scu sic sii sil sir sis sit siu slc sli sll slr sls slt slu sr- src sri srl srr srs srt ss- ssc ssi ssl ssr sss sst ssu stc sti stl str sts stt stu suc sui sul sur sus sut suu tcc tci tcl tcr tcs tct tcu tic tii til tir tis tit tiu tlc tli tll tlr tls tlt tlu trc tri trl trr trs trt tru tsc tsi tsl tsr tss tst tsu ttc tti ttl ttr tts ttt ttu tuc tui tul tur tus tut tuu ucc uci ucl ucr ucs uct ucu uic uii uil uir uis uit uiu ulc uli ull ulr uls ult ulu ur- urc uri url urr urs urt uru usc usi usl usr uss ust usu utc uti utl utr uts utt utu uuc uur uus uut uuu